Burglar alarm



0. C. FLYNN. BUR GLAR ALARM. APPLICATION F|L| ED MAR. 25. I922- Patented Dec. 5, 1922.

ATTORNEY Patented 5, lQZZ,

BURGLAB ALARM.

Application filed March 25, 1922. Serial No. 546,681.

To all whom it may concern:-

Be it l Il1OW11 that I, Urrrs C. FLYNN, a citizen of the United States, residing at Lexington, in the county of Fayette and State of Kentucky, have invented new and useful Improvements in Burglar Alarms, of which the following is a specification.

This invention relates to a burglar alarm, the principal object of the invention being to provide means for sounding;- an alarm if a WlDCiOW should be opened by a burglar.

Another object of the invention is to provide means whereby the device can be rendered. inactive so that the window can be opened Without sounding the alarm,

This invention also cons'sts in certain other features of'construction and in the combination and ari'a; e-lnent oi the several parts, to be hereina-iter fully described, illustrated in the accompanying drawings and specifically pointed out in the appended claim.

.ln describing my invention in detail, retference will be had to the accompanying; drawings wherein like characters denote like or corresponding parts throughout the several views, and in Which:-

Figure l is a vievv'oif a Window showing the invention in use.

Figure 2 is a sectional View through the sash oi a vcindow showing the invention in elevation.

Figure 3 is ing the latch, its hammer,

in these views 1 indicates a bell, the Lam iner 2 01": Which is actuated by a spring" 3 the spring being Wound by rotating part l. The hammer is normally held against movement by the head of the latch 5 but when said latch is raised by the latch sectional detail view shove lever and part of the bell lever 5 the hammer Will be operated by the the bell spring to sound the alarm. A lever 6 is pivoted to. the vvi ndoW casing and has a bent part 6" engaging the sash so that when the sash is raised the lever will be moved and as the opposite end of the lever engages with the latch lever 5 this movement will cause said lever 5 strike the bell, Wire so that it can the sash free to be the alarm.

ltis thought fro to raise the latch and thus permit the springactuated hammer to The lever is made 01" still be pulled out of engagement with the latch lever which will leave opened. Without sounding in the :tforegoin descriperal parts, provide d that such changes fall Within the scope of the appended claim.

hat 1 clann 1s:-

An alarn attachment for Windows comprising a bell rotatably secured. to the Window trains,- a hammer pivotally secured Within the bell and adapted to strike the edge thereof, a sp ring associated With the action of the hammer and adapted to be Wound by the rotation of the bell, a latch designed to hold the hammer in normal position, a lever secured to the latch, a pivoted lever secured to the window frame and normally positioned over the first mentioned lever to hold said hammer the medium of the latch,

inactive through a bent portion formed on the upper end of said pivoted lever and adapted to lie in i316 path of the sash of the window to: the purpose specified, i i

In testimony W1 ture.

.iereof in} signa OTTIS Q. FLYNN, 

